Tray rack



FIG. 1 is a front elevational view of a mobile tray rack embodying my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an enlarged fragmentary perspective view of the top portion of the rack as shown in FIG. 1.

The rear and opposite side of the mobile tray rack are mirror images of the front and side shown in FIGS. 1 and 2 of the drawing respectively. 

The ornamental design for a mobile tray rack, as shown and described. 